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    <title>Code coverage report for app/lib/hook.class.js</title>
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    <h1>
      <a href="../../index.html">All files</a> / <a href="index.html">app/lib</a> hook.class.js
    </h1>
    <div class='clearfix'>
      <div class='fl pad1y space-right2'>
        <span class="strong">77.78% </span>
        <span class="quiet">Statements</span>
        <span class='fraction'>14/18</span>
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        <span class="strong">100% </span>
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        <span class="strong">77.78% </span>
        <span class="quiet">Lines</span>
        <span class='fraction'>14/18</span>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">const common = require('./../common');
&nbsp;
module.exports = class Hook {
&nbsp;
    constructor(ctx, next) {
        this.hooks = {};
    }
&nbsp;
    get(name) {
&nbsp;
        <span class="missing-if-branch" title="if path not taken" >I</span>if (arguments.length === 0) {
<span class="cstat-no" title="statement not covered" >            return this.hooks;</span>
        } else {
            for (let key in this.hooks) {
                <span class="missing-if-branch" title="else path not taken" >E</span>if (name === key) {
                    return this.hooks[name];
                }
            }
        }
    }
&nbsp;
    add(name, fn) {
&nbsp;
        <span class="missing-if-branch" title="if path not taken" >I</span>if (this.hooks[name]) {
<span class="cstat-no" title="statement not covered" >            common.log(`The "${name}" hook already exists. repeat adding will cover before`, 'info');</span>
        }
&nbsp;
        <span class="missing-if-branch" title="if path not taken" >I</span>if (typeof fn !== 'function') {
<span class="cstat-no" title="statement not covered" >            throw new Error(`The "${name}" hook only support function`);</span>
<span class="cstat-no" title="statement not covered" >            return;</span>
        }
&nbsp;
        this.hooks[name] = fn;
    }
&nbsp;
    run(name, ...args) {
&nbsp;
        const fn = this.hooks[name];
        if (!fn) {
            return;
        }
        return fn(...args);
    }
}
&nbsp;</pre></td></tr>
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